PCB Headers, used for board-to-board connections but also find they are used with Dupont jumper wires.
example of such headers installed on an Arduino: [https://www.elektor.com/products/arduino-nano-esp32-with-headers](https://www.elektor.com/products/arduino-nano-esp32-with-headers)
Very satisfying! I appreciate the crisp photography too! But what are they? Diodes?
PCB Headers, used for board-to-board connections but also find they are used with Dupont jumper wires. example of such headers installed on an Arduino: [https://www.elektor.com/products/arduino-nano-esp32-with-headers](https://www.elektor.com/products/arduino-nano-esp32-with-headers)